Home / 4,687.48-7,031.70-1,768.24

Finding the Fourth Proportional to 4,687.48, 7,031.70 and 1,768.24

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Solution

The fourth proportional to 4,687.48, 7,031.70 and 1,768.24 is: 2,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.48 : 7,031.70 = 1,768.24 : x
  2. Step 2: Convert to fraction form
    4,687.48/7,031.70 = 1,768.24/x
  3. Step 3: Cross multiply
    4,687.48x = 7,031.70 × 1,768.24
  4. Step 4: Simplify right side
    4,687.48x = 12,433,733.21
  5. Step 5: Solve for x
    x = 12,433,733.21/4,687.48
  6. Step 6: Final answer
    x = 2,652.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.